This is an extract from a thread over at B&B - maybe relevent

"The Dealer is "MeckyMesser" in the German "www.gut-rasiert.de" Forum.

Grinded on vintage "Schleifhexe" & honed by himself from NOS raw blades (because his Grandpa owns an original Razor Maker Company (Schleifkotten) in Solingen around 1920)."